Convert EPUB to MOBI Online
Convert EPUB to MOBI online — for older Kindle devices.
Drop a file or click to choose
epub — до 25 МБ
Files are deleted right after processing — we do not store or view them.
The EPUB to MOBI converter turns a book into a format that older Amazon Kindle models understand — they don’t read EPUB directly and require MOBI or AZW3. Upload an EPUB file and get back a book ready to load onto your Kindle.
Processing happens on the server via Calibre, which preserves the table of contents, chapters and images. The file is deleted right after conversion, and the maximum size is 25 MB.
Frequently asked questions
For newer Kindle models (2022+), Amazon recommends AZW3 or KFX, but MOBI still opens on most devices.
The easiest way is to email the file to your personal Kindle address (send-to-kindle), or connect the device via cable and copy the file into the documents folder.
Basic formatting, the table of contents and images carry over. Complex layouts may look a bit different — that’s a quirk of the MOBI format.